/*
 * Copyright 2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package be.free.ts.activity;

import be.free.ts.project.Project;
import com.mysema.query.BooleanBuilder;
import com.mysema.query.types.Predicate;
import org.joda.time.DateTime;

/**
 * @author Christophe De Blende
 * @since 30/12/12
 */
public final class Activities {

	private Activities() {
	}

	public static Predicate forProject(final Project project) {
		return QActivity.activity.project.eq(project);
	}

	public static Predicate contains(final DateTime instant) {
		Predicate startDatePredicate =
				QActivity.activity.interval.startDateTime.before(instant)
						.or(QActivity.activity.interval.startDateTime.isNull());

		Predicate endDatePredicate =
				QActivity.activity.interval.endDateTime.after(instant)
						.or(QActivity.activity.interval.endDateTime.isNull());

		BooleanBuilder booleanBuilder = new BooleanBuilder();
		return booleanBuilder.and(startDatePredicate).and(endDatePredicate);
	}

}
